21x-73=12x-28

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Solution for 21x-73=12x-28 equation: 



21x-73=12x-28

We move all terms to the left:

21x-73-(12x-28)=0

We get rid of parentheses

21x-12x+28-73=0

We add all the numbers together, and all the variables

9x-45=0

We move all terms containing x to the left, all other terms to the right

9x=45

x=45/9

x=5

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